Green Skull with Question Mark - Mystery & Curiosity Icon #2001955 (License: Personal Use)

This stylized illustration depicts a vivid lime-green human skull with exaggerated features: large dark eye sockets, a triangular nasal cavity, and uneven, jagged teeth glowing faintly. A prominent white question mark is drawn on the forehead, suggesting themes of mystery, doubt, or unsolved riddles. The clean vector-style design makes it suitable for digital media, games, or educational materials exploring anatomy, folklore, or logic puzzles.

Commonly used in Halloween-themed websites, puzzle games, mystery novels, or educational content about critical thinking; targets users seeking visual metaphors for confusion, inquiry, or supernatural themes.